/*
 * Copyright 2008 aileron.cc, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package cc.aileron.template.xml.parser;

import static cc.aileron.commons.utility.Quote.quote;
import cc.aileron.template.ContextDtoProvider;
import cc.aileron.template.Parser;
import cc.aileron.template.ParserSelector;
import cc.aileron.template.dto.ContextDto;
import cc.aileron.template.dto.ParserDto;

import com.google.inject.Inject;

/**
 * def-else
 * @author Aileron
 *
 */
public class DefElseMethodParser implements Parser
{
    /**
     * ContextDtoProvider
     */
    private final ContextDtoProvider provider;
    
    /**
     * select
     */
    private final ParserSelector selector;
    
    /**
     * construct injection
     * @param provider
     * @param select
     * @param contextProvider
     */
    @Inject
    public DefElseMethodParser(
            final ParserSelector selector,
            final ContextDtoProvider provider)
        {
            this.selector = selector;
            this.provider = provider;
        }

    
    public String parse(ParserDto dto) throws Exception 
    {
        final ContextDto context = provider.get(dto.text,selector);
        return "if(!obj.getBoolean("+ quote(dto.token[1])+"))" +
        "{" +
        context +
        "}";
    }
}
